Granted Patent
Utility
US 5,578,788 · App. 08/525,044
Manufacture and use of improved explosive composition
Inventor:
Bjorn Engsbraten
Patented Case
View Patent ↗
Granted: Nov 26, 1996
Filed: Sep 8, 1995
Inventor
Bjorn Engsbraten
Assignee (at issue)
Nitro Nobel AB
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.